1 /*
2 * Copyright (c) 1983 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 static char sccsid[] = "@(#)getguess.c 5.4 (Berkeley) 6/1/90";
36 #endif /* not lint */
37
38 # include "hangman.h"
39
40 /*
41 * getguess:
42 * Get another guess
43 */
getguess()44 getguess()
45 {
46 register int i;
47 register int ch;
48 register bool correct;
49
50 leaveok(stdscr, FALSE);
51 for (;;) {
52 move(PROMPTY, PROMPTX + sizeof "Guess: ");
53 refresh();
54 ch = readch();
55 if (isalpha(ch)) {
56 if (isupper(ch))
57 ch = tolower(ch);
58 if (Guessed[ch - 'a'])
59 mvprintw(MESGY, MESGX, "Already guessed '%c'", ch);
60 else
61 break;
62 }
63 else if (ch == CTRL('D'))
64 die();
65 else
66 mvprintw(MESGY, MESGX, "Not a valid guess: '%s'",
67 unctrl(ch));
68 }
69 leaveok(stdscr, TRUE);
70 move(MESGY, MESGX);
71 clrtoeol();
72
73 Guessed[ch - 'a'] = TRUE;
74 correct = FALSE;
75 for (i = 0; Word[i] != '\0'; i++)
76 if (Word[i] == ch) {
77 Known[i] = ch;
78 correct = TRUE;
79 }
80 if (!correct)
81 Errors++;
82 }
83
84 /*
85 * readch;
86 * Read a character from the input
87 */
readch()88 readch()
89 {
90 register int cnt, r;
91 auto char ch;
92
93 cnt = 0;
94 for (;;) {
95 if (read(0, &ch, sizeof ch) <= 0)
96 {
97 if (++cnt > 100)
98 die();
99 }
100 else if (ch == CTRL('L')) {
101 wrefresh(curscr);
102 mvcur(0, 0, curscr->_cury, curscr->_curx);
103 }
104 else
105 return ch;
106 }
107 }
108